Method, equipment and system for network access

Embodiment of the present invention discloses a network access method, apparatus and system relates to the field of wireless communications, the relay station solves a plurality of base stations connected to a network system, the relay station needs to select a base station can not properly access issues. Example embodiments of the present access request sent by the user terminal contains the specified base station identification information, identification information for a case where the relay station to access the base station specified, or not specified in the access request to the base station, the relay station by selecting lighter load as the base station needs access. Embodiment of the present invention is a relay station connected to a network system including a plurality of base stations provide an access policy.